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I was selected to review these headphones in exchange for honest review, that review follows:
I have used a lot of different headphones of varying prices and have been enjoying the Monster Turbine Pro Copper headphones ever since I received them. In short, they are now my IEMs of choice.
Before even listening to the headphones, I was impressed by the packaging and the way I could...” --schalliol

“Sound is neutral with a slight mid bass tilt. Highs and lows are well extended. Sound stage is large for an iem. The bass has some impact without being boomy. The treble is clear without roughness.
Don't pull hard on the cable. The strain relief is not strong. Hold the Trumpet by the "mouthpiece" end when handling them.
If you have the...” --Merfolk

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Well, this has been quite the turn of events! I had auditioned a full-sized Monster headphone, which I felt rather negative about, but the Turbine Pro Gold (TPG from here on) caught me quite off guard. Overall, the TPGs are excellent sounding, have superior build quality to many earbuds and IEMs I’ve owned/seen and offer a wide array of tips for fitted comfort, so let’s explore what makes...” --Landis

“Disclaimer: the DX 160 iE was provided free of charge by Beyerdynamic for review purposes. No monetary exchange or donations were involved throughout the process.
Starting off simply, let’s discuss the accessories that are included in the packaging. For starters, the DX 160 iE comes with a small carrying case that...” --AxelCloris

“Before I begin with my review of the Beyerdynamic XP1, all of the below are solely what I’ve managed to get out of the IEM, I suggest to try it out or read some other people’s review to get a clearer picture of the IEM, as my opinions are not absolute and other ears might have listened differently.
Sound: First of all, this IEM is one of the three IEM that Beyerdynamic released...” --SawItComing

“So I'm relatively new to the world of high end headphones, and I've started by experimenting with over the ear cans, I'll move onto IEMs eventually, but I feel like these guys get a bad rap.
As for what I like, I like to listen to my electronic music, so the bright (and not overshadowed) highs and thumpy bass make for a good, enjoyable time. I wish the mids were as present, but this is...” --AtomikSound

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I would say that burn-in is a must for this earphone. Before burn-in, the earphone sounded unimpressive. I almost wanted to return or sell it off. It sounded so much better after burn-in.
The first thing that I noticed is the bass. There is a good quantity of it (once you get a good seal) but it is not muddy at all. It was very punchy. Using it for movies proved quite...” --regleo

“Only short review from me.
Since the "The Wirecutter" claimed these would be the best IEMs under $100 I had to try them when I saw them for $49 on a very special sale.
They are fantastic allrounders, the bass is pronounced a tad bloated maybe, but pleasurable to listen to, clarity, pretty decent miss and good details in the highs make this headphone a steal for the money.
...” --Koolpep